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- W2949503015 abstract "We report on the X-ray properties of the exceptional X-ray cluster RXJ1347.5-1145 at z=0.451. We confirm that it is with a luminosity $L_X(bol)=2times 10^{46}$ erg/s the most luminous X-ray cluster discovered to date. The mass of the cluster within 1.7 Mpc is $9.8%pm1.1times 10^{14} msol$. A comparison of the central X-ray mass and the mass determined from a simple gravitational lens model shows a discrepancy of a factor of 2-3 with the X-ray mass being smaller. The temperature of the cluster is $9.3^{+1.1}_{-1.0}$~keV. We detect a strong FeK line corresponding to a metallicity of $0.33pm0.10$ in solar units, which is an unexpectedly high value for a distant and hot cluster. There are several hints that the cluster contains an extremely strong cooling flow. With the usual assumptions we derive formally a mass accretion rate of more than 3000 $msol$/yr indicating that this may be the largest cooling flow detected so far. To find these extreme properties in this distant cluster which can be taken as an indication of a well relaxed and old system is of high importance for the theory of formation and evolution of clusters." @default.
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- W2949503015 date "1996-03-11" @default.
- W2949503015 modified "2023-09-27" @default.
- W2949503015 title "ROSAT/HRI and ASCA observations of the most luminous X-ray cluster RXJ1347.5-1145" @default.
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